Finding the Fourth Proportional to 118,948.50, 164,148.93 and 65,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,948.50 : 164,148.93 = 65,956.50 : x
2. Step 2: Convert to fraction form
   118,948.50/164,148.93 = 65,956.50/x
3. Step 3: Cross multiply
   118,948.50x = 164,148.93 × 65,956.50
4. Step 4: Simplify right side
   118,948.50x = 10,826,688,901.55
5. Step 5: Solve for x
   x = 10,826,688,901.55/118,948.50
6. Step 6: Final answer
   x = 91,019.97